Comedy / Characters: 2 male, 2 female Scenery: Interior The celebrated co authors of such classics as Norman, Is That You?, Murder at the Howard Johnsons and Wally's Cafe and his wife have created another sure fire winner in which two couples rent the same Catskills cabin for the same weekend by mistake. One couple is staid and middle aged; the other free wheeling and young. They decide to share and before the weekend is over the youngsters have learned how to add stability to their relation